Chemistry The percentage of Nitrogen in Air is 78.03 85.02 0.94 0.03 78.03 85.02 0.94 0.03 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the purest form of carbon Iron Coal Graphite Diamond Iron Coal Graphite Diamond ANSWER DOWNLOAD EXAMIANS APP
Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Zinc Aluminium Silver Copper Zinc Aluminium Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has least negative electron gain enthalpy Cl S P F Cl S P F ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pollutant responsible for ozone holes is ________ CO2 CO CFC SO2 CO2 CO CFC SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium vapour lamps glow with yellow colour. This is due to Its ability to absorb all other colours except yellow The low ionisation energy of sodium The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum sublimation of sodium to emit yellow colour Its ability to absorb all other colours except yellow The low ionisation energy of sodium The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum sublimation of sodium to emit yellow colour ANSWER DOWNLOAD EXAMIANS APP
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